Investigating a new medication for treating ulcerative colitis

A PHASE 1B, TWO-PART, RANDOMIZED, DOUBLE-BLIND, PLACEBO-CONTROLLED, MULTICENTER STUDY TO EVALUATE THE EFFICACY, SAFETY, AND PHARMACOKINETICS OF ORAL PF-07054894 IN ADULT PARTICIPANTS AGED 18-75 YEARS WITH MILD TO SEVERE ULCERATIVE COLITIS

Phase 1 Interventional Pfizer · NCT05549323

This study is testing a new medication for ulcerative colitis to see if it is safe and effective for adults with different levels of the condition.

Quick facts

PhasePhase 1
Study typeInterventional
Enrollment27 (estimated)
Ages18 Years to 75 Years
SexAll
SponsorPfizer Industry-sponsored
Drugs / interventionsradiation
Locations17 sites (Kissimmee, Florida and 16 other locations)
Trial IDNCT05549323 on ClinicalTrials.gov

What this trial studies

This study evaluates the safety, effectiveness, and pharmacokinetics of an experimental medication called PF-07054894 in adults diagnosed with ulcerative colitis. Participants will be divided into two groups based on the severity of their condition, with specific criteria for inclusion based on their disease status and previous treatment responses. The study will involve administering the medication or a placebo and monitoring the participants for any effects and how the body processes the medication.

Who should consider this trial

Good fit: Ideal candidates are adults with moderate to severe or mild to moderate ulcerative colitis who have not responded adequately to previous treatments.

Not a fit: Patients with other forms of colitis, recent bowel surgery, or certain medical histories may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide a new treatment option for patients suffering from ulcerative colitis.

How similar studies have performed: Other studies have shown promise in developing new treatments for ulcerative colitis, but this specific medication approach is novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Confirmed diagnosis of moderate to severe (Part A) or mild to moderate (Part B) UC for ≥3 months prior to baseline.
* Active disease beyond the rectum (\>15 cm of active disease from the anal verge at the screening endoscopy).

Part A (moderate to severe): Must have a 5 to 9 score on the modified mayo score, including an endoscopy subscore of at least 2. Part B (mild to moderate): Participants with mMS of 4 to 6, ES of ≥2 and RB score of ≥1

* Must have inadequate response to, loss of response to, or intolerance to at least one conventional therapy for UC.
* Total body weight \>40 kg (88.2 lb).

Exclusion Criteria:

* Presence of indeterminate; microscopic; ischemic; infectious; radiation colitis; diverticular disease; Crohn's disease; colonic stricture; colonic obstruction/ resection; presence of cancer.
* History of bowel surgery within 6 months prior to baseline.
* History of significant trauma or major surgery within 4 weeks of screening or considered in imminent need of surgery or with elective surgery scheduled to occur during the study.
* Presence of clinical signs of fulminant colitis or toxic megacolon, primary sclerosing cholangitis and evidence of colonic dysplasia, adenomas or neoplasia.
* Clinically significant infections within 6 months of baseline

Where this trial is running

Kissimmee, Florida and 16 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Ulcerative ColitisInflammatory Bowel Disease
Last reviewed 2026-06-09 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.